1242051334512 has 20 divisors (see below), whose sum is σ = 3208632614280. Its totient is φ = 414017111488.

The previous prime is 1242051334427. The next prime is 1242051334523. The reversal of 1242051334512 is 2154331502421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12938034687 + ... + 12938034782.

It is an arithmetic number, because the mean of its divisors is an integer number (160431630714).

Almost surely, 2^{1242051334512} is an apocalyptic number.

1242051334512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1242051334512 is an abundant number, since it is smaller than the sum of its proper divisors (1966581279768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1242051334512 is a wasteful number, since it uses less digits than its factorization.

1242051334512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25876069480 (or 25876069474 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1242051334512 its reverse (2154331502421), we get a palindrome (3396382836933).

The spelling of 1242051334512 in words is "one trillion, two hundred forty-two billion, fifty-one million, three hundred thirty-four thousand, five hundred twelve".